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03-03-2008, 03:46 PM

#26

Rangerondubz

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Quote:

Originally Posted by 06black

then you have week dreams.

mine hopes should become reality after i get this dam intake made, the ported head on and tune the cam's in.

then, and only then, might i be happy.

For not cracking into the motor, you car is the shiznit

Be happy that your the highest HP cobalt on the site to date

Last edited by Rangerondubz; 03-03-2008 at 03:46 PM. Reason: Automerged Doublepost

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03-03-2008, 03:50 PM

#27

06black

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i dont plan on cracking open the motor....sleeve strength is my only limitation.

and thats around the 440ish whp mark. so my 420-425ish will be legit.

i'm here to prove that good power can be made on a stock bottom end lsj, its all in the tune!!!

thanks for the complement tho, its nice to see some people pay attention.

Last edited by 06black; 03-03-2008 at 03:50 PM. Reason: Automerged Doublepost

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03-03-2008, 03:51 PM

#28

Rangerondubz

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Quote:

Originally Posted by 06black

No problem man, I might be buying a manifold from you in the next month or so. Planning on doing the same type of setup, except doing a few things differently

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03-03-2008, 03:52 PM

#29

MISSMATCHEDFACES

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small ass turbo

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03-03-2008, 03:53 PM

#30

Rangerondubz

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Quote:

Originally Posted by MISSMATCHEDFACES

small ass turbo

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03-03-2008, 03:54 PM

#31

Onyxd04Redline

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Quote:

Originally Posted by MISSMATCHEDFACES

small ass turbo

I know

I'm undecided on what turbo to go with. Part of me says go big and the other part says good spool. "Shrugs"

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03-03-2008, 03:57 PM

#32

06black

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Quote:

Originally Posted by MISSMATCHEDFACES

small ass turbo

i shall take your line and "Ctrl C" it then i will "Ctrl V" to death so that he hopefully gets the idea thats its to god dam small.

hope you dont mind.

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Quote:

Originally Posted by Rangerondubz

No problem man, I might be buying a manifold from you in the next month or so. Planning on doing the same type of setup, except doing a few things differently

just let me kno.

Last edited by 06black; 03-03-2008 at 03:57 PM. Reason: Automerged Doublepost

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03-03-2008, 03:57 PM

#33

Rangerondubz

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Holy shat I thought my ******* computer was running slow and it blurred all the words

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03-03-2008, 03:58 PM

#34

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its all about the gt3076....i got that with a .6/3 A/R on my new beastly build taking place at the moment. one of the big contributions to loss of power on the lsj is the wack-ass intake manifold, thats y i got the gmp race manifold...***** pimp.
<P>
but definatly get a bigger turbo than a gt25
<P>

<P>
me having some personal 1-on-1 with my intake manifold in front of the big screen\

and yes its a wide mouth, lol

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03-03-2008, 04:00 PM

#35

Onyxd04Redline

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How much faster with the GT2860 spool compared to the GT3071

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03-03-2008, 04:02 PM

#36

MISSMATCHEDFACES

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a gt28 is was im taking off mine now, i hit 22psi at roughly 3k, on the 3076 ill hit max at around 3700.
but itll make more power on less boost.

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03-03-2008, 04:03 PM

#37

Rangerondubz

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Quote:

Originally Posted by Onyxd04Redline

How much faster with the GT2860 spool compared to the GT3071

It all depends on different variables, manifold, charge piping ect

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03-03-2008, 04:07 PM

#38

06black

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Quote:

Originally Posted by MISSMATCHEDFACES

<P>

meh, to tiny of a hot side.

the LSJ rides the 30R's compressor wheel REAL hard most the VE curve, i opted for a bit larger wheel to allow for some shift across the graph that the head and intake will do.

the .63AR hotside is also a bit on the choke side of things, the upper revs its really over that point and as you open **** up (manifold, head, ect) it gets worse and worse, a T4 at a .58 is truly the minimum for those wanting power with no upper RPM range drop.

just a few quick facts from my days of specing turbos

tis a sexy manifold tho.

Quote:

Originally Posted by Onyxd04Redline

How much faster with the GT2860 spool compared to the GT3071

11mm hot side differance, thats quiet a bit of extra required inertia.

"normally" you look at an extra 75-100rpm per 1mm bump so 825-1100 rpm on paper...so i'd guess a bare min of 800~ rpm.

the hot side size will play a massive roll in this. as will the larger compressor wheel.

Last edited by 06black; 03-03-2008 at 04:08 PM. Reason: Automerged Doublepost

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03-03-2008, 04:08 PM

#39

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Quote:

Originally Posted by 06black

lol that **** wont spool to quick on a 2.0 though. need to make boost as quickly as possible, if i had the 2.4 than id consider that. also theres no space in the engine bay lol

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03-03-2008, 04:14 PM

#40

06black

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sure there is, i run a T4 with no issue.

spools just fine, no drop on upper end(starting to get just the smallist hint at 7300) and the rev drops per shift match its spool points dam near perfect.

quick is a relative term, you'll see spool by say 3700-3800 at the quickest, i catch full boost by 4100 so say a solid 300-400 difference........but i gain that back up top with no drop and no choke.

turbine maps are 9 times outta 10 over looked because they are a true bitch to graph out, totally different set of less well known calculations required, but your hot side is the life and death of your set up.

i had to dig up some 8yr old garrett doc to find the required calculations, not fun, but vary handy.

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03-03-2008, 04:17 PM

#41

MISSMATCHEDFACES

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my dyno guy did the mapping and the calcs....and he came out to the 3076 with a .63 lol...i didnt just spin in a circle and point at what i stopped on haha

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03-03-2008, 04:20 PM

#42

06black

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Quote:

Originally Posted by MISSMATCHEDFACES

my dyno guy did the mapping and the calcs....and he came out to the 3076 with a .63 lol...i didnt just spin in a circle and point at what i stopped on haha

the .63 tis a 95% good housing i'm not talking down on it one bit, nor you for that matter, just making a few statements. I do wish i had the earlier spool at times, but that 2-3 shift makes me not care.

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